A secure hash function based on feedback iterative structure

Data security and confidentiality is currently a very important issue and continues to grow. Several cases concerning data security are now a job that requires handling and security costs that are so large. To maintain the security and confidentiality of messages, data, or information so that no one can read or understand it, except for the rightful recipients, a data security system application with an encryption method using an algorithm is designed. The SHA-1 cryptographic hash function that takes input and produces a 160-bit hash value which is known as the message iteration is usually rendered as a 40-digit long hexadecimal number.

Download Full-text

Data Encryption Using Hash Function for Generating Secret Keys (DEH)

10.33329/jaus.19.264.30 ◽

2019 ◽

Vol 264 (1) ◽

pp. 215-221

Keyword(s):

Hash Function ◽

Data Encryption ◽

Secret Keys

Download Full-text

Construct Hash Function from Plaintext to C34Curves

Chinese Journal of Computers ◽

10.3724/sp.j.1016.2012.01868 ◽

2012 ◽

Vol 35 (9) ◽

pp. 1868 ◽

Cited By ~ 3

Author(s):

Wei YU ◽

Kun-Peng WANG ◽

Bao LI ◽

Song TIAN

Keyword(s):

Hash Function

Download Full-text

Authentication protocol of mobile RFID based on Hash function

Journal of Computer Applications ◽

10.3724/sp.j.1087.2013.01350 ◽

2013 ◽

Vol 33 (5) ◽

pp. 1350-1352

Author(s):

Peng LIU ◽

Changhong ZHANG ◽

Qingyu OU

Keyword(s):

Hash Function ◽

Authentication Protocol ◽

Mobile Rfid

Download Full-text

Data Integrity

10.1093/oso/9780198788003.003.0006 ◽

2017 ◽

Author(s):

Keith M. Martin

Keyword(s):

Hash Function ◽

Hash Functions ◽

Data Integrity ◽

Message Authentication ◽

Authenticated Encryption ◽

Authentication Codes ◽

Basic Model ◽

Function Design ◽

Security Properties ◽

Different Levels

This chapter discusses cryptographic mechanisms for providing data integrity. We begin by identifying different levels of data integrity that can be provided. We then look in detail at hash functions, explaining the different security properties that they have, as well as presenting several different applications of a hash function. We then look at hash function design and illustrate this by discussing the hash function SHA-3. Next, we discuss message authentication codes (MACs), presenting a basic model and discussing basic properties. We compare two different MAC constructions, CBC-MAC and HMAC. Finally, we consider different ways of using MACs together with encryption. We focus on authenticated encryption modes, and illustrate these by describing Galois Counter mode.

Download Full-text

Pushing the Envelope

10.1093/oso/9780199670871.003.0014 ◽

2018 ◽

Author(s):

Eaton E. Lattman ◽

Thomas D. Grant ◽

Edward H. Snell

Keyword(s):

High Resolution ◽

Electron Density ◽

Structural Information ◽

Hydration Shell ◽

Three Dimensional ◽

Scattering Data ◽

Saxs Data ◽

Electron Density Function ◽

Angle Scattering ◽

Iterative Structure

Direct electron density determination from SAXS data opens up new opportunities. The ability to model density at high resolution and the implicit direct estimation of solvent terms such as the hydration shell may enable high-resolution wide angle scattering data to be used to calculate density when combined with additional structural information. Other diffraction methods that do not measure three-dimensional intensities, such as fiber diffraction, may also be able to take advantage of iterative structure factor retrieval. While the ability to reconstruct electron density ab initio is a major breakthrough in the field of solution scattering, the potential of the technique has yet to be fully uncovered. Additional structural information from techniques such as crystallography, NMR, and electron microscopy and density modification procedures can now be integrated to perform advanced modeling of the electron density function at high resolution, pushing the boundaries of solution scattering further than ever before.

Download Full-text